Should my boiler be making a scuttle nouns?? I have a maxi combi boiler & i hang on to hearing...

I have a maxi combi boiler & i hang on to hearing comparatively a loud scuttling din coming from it or possibly the pipes going in2 it, this has worried me sometimes as im no plumber & i know if they budge wrong it could be dangerous so basically thought id ask anyone who would know b4 i send for n e 1 out & pay the dust 4 possibly nothing....